BMW X5 vs Acura MDX: which is more reliable?
The BMW X5 is clearly ahead of the Acura MDX on the federal record: 87/100 against 66/100 across every model year we score.
The record, side by side
BMW X5
- 5 model years scored
- 3,080 owner complaints on record
- about 42 complaints per year on the road
- 0 recall campaigns, 0 safety-critical
- best year 2014 (90/100) · worst 2012 (80/100)
Acura MDX
- 14 model years scored
- 1,916 owner complaints on record
- about 28 complaints per year on the road
- 70 recall campaigns, 36 safety-critical
- best year 2011 (95/100) · worst 2025 (39/100)
Mean score is the average across model years from 2013 on, where both records are comparable. How the score works.
Year by year: X5 against MDX
The comparison that decides the purchase. A nameplate is not one car — a redesign can move the record sixty points inside two years, and the two nameplates rarely move together.
What owners actually complain about
BMW X5
- Engine — 982 complaints
- Air Bags — 606 complaints
- Power Train — 548 complaints
Acura MDX
- Engine — 553 complaints
- Power Train — 388 complaints
- Electrical System — 334 complaints
Both nameplates have Engine as their largest complaint group, so the choice between them is about how often, not about what.
Years to avoid on each
BMW X5: no model year scores below 45; the strongest are 2011, 2012, 2013, 2014, 2015.
Acura MDX — avoid: 2016, 2020, 2025.
A year scores below 45 on complaints per year of exposure and recall campaigns. Every car’s years to avoid.
What each costs today
A recent used BMW X5 prices at about $23,000 and a Acura MDX at about $55,100 — the BMW X5 is roughly $32,100 less, and they return 17.0 against 21.0 MPG combined.
Class-level estimates re-priced to your country, not a valuation of one car. Method.
FAQ
Is the BMW X5 or the Acura MDX more reliable?
On the NHTSA record the BMW X5 scores 87/100 against the Acura MDX's 66/100, averaged across every model year we hold. The BMW X5 carries about 42 complaints per year on the road against 28 for the Acura MDX.
Which BMW X5 and Acura MDX years should I avoid?
BMW X5: no year scores below 45. Acura MDX: 2016, 2020, 2025. Each of those scores under 45 out of 100 on complaints per year of exposure and recall campaigns.
What goes wrong on the BMW X5 and the Acura MDX?
The largest complaint group on the BMW X5 is Engine (982 complaints); on the Acura MDX it is Engine (553).
Is the BMW X5 or the Acura MDX cheaper to own?
A recent used BMW X5 prices at about $23,000 and a Acura MDX at about $55,100, before insurance and the maintenance band. Both pages carry the five-year running-cost figure.